Darrell Waltrip[1] just tweeted that Dale Earnhardt Jr will run a No. 3 car in the Subway Jalapeno 250 at Daytona in July. He wrote: “Here’s something that will make you go ‘hum’,Dale Jr driving the ‘3’car in the nationwide race at Daytona in July,thats interesting.” No official announcement has been made, yet. So, this is just a rumor at this point.